fn find_signature(pool: &mysql::Pool, data: &json::JsonValue) -> Result<u64, Box<dyn std::error:Error> {
    let alert_data = &data["alert"];
    println!("looking up signature with sig_id: {:?}", alert_data["signature_id"].as_str());
    let signature_id = get_signature_id_by_id_and_rev(pool, &alert_data["signature_id"], &alert_data["rev"]);
    match signature_id
        Ok(n) => {
            return n;
        }
        Err(e) => {
            match e {

            }
        }
}
    if signature_id ==  {
        // There is no signature with this signature_id, lets insert it
        if let Ok(foo) = insert_signature(&pool, &alert_data) {
            signature_id = Some(foo);
        }
        println!("Signature id after inserting is: {:?}", signature_id);
    }
    return signature_id;
}